21427756

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7577}}^1$

素因数の和:7689

約数の個数: 24

約数和(自身を含む): 43285536

約数和(自身を除く): 21857780

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 7577, 15154, 30308, 53039, 106078, 212156, 765277, 1530554, 3061108, 5356939, 10713878, 21427756]

約数ペア:

[(1, 21427756), (2, 10713878), (4, 5356939), (7, 3061108), (14, 1530554), (28, 765277), (101, 212156), (202, 106078), (404, 53039), (707, 30308), (1414, 15154), (2828, 7577)]